Home / 232,893.20-321,151.56-172,629.20

Finding the Fourth Proportional to 232,893.20, 321,151.56 and 172,629.20

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Solution

The fourth proportional to 232,893.20, 321,151.56 and 172,629.20 is: 238,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,893.20 : 321,151.56 = 172,629.20 : x
  2. Step 2: Convert to fraction form
    232,893.20/321,151.56 = 172,629.20/x
  3. Step 3: Cross multiply
    232,893.20x = 321,151.56 × 172,629.20
  4. Step 4: Simplify right side
    232,893.20x = 55,440,136,881.55
  5. Step 5: Solve for x
    x = 55,440,136,881.55/232,893.20
  6. Step 6: Final answer
    x = 238,049.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.